Electronictransactionthroughe-paymentprotocolwillgrowtremendousinthecomingyears.Inthisarticle,byconverselyusingblindsignature,theauthorsproposeafairelectronicpaymentschemeforelectroniccommerce,whichcanensuretwoparticipants’rightsimultaneouslyinelectronictransactionprocess.Thisschemeisdifferentfromotherexistingschemesanditdoesnotrequirestrongtrustrelationbetweencustomerandmerchant.Inthescheme,asemi-trustedthirdparty(S-TTP)isinvolvedtoprovideafaircommerceenvironment.TheS-TTPtakespartintheprotocolon-lineandnosecureinformationaboutthebusinessisleaked.Moreover,theparticipantsdonotneedtoregistertoS-TTP.Thisschemedoesnotrequireinterventionofathirdpartyincaseofdispute,ifoneusercheatsorsimplycrashes.
